#!/usr/bin/env python # Copyright 2013 the V8 project authors. All rights reserved. # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following # disclaimer in the documentation and/or other materials provided # with the distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import argparse import json import os import re import sys import urllib from common_includes import * import push_to_trunk PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$") class Preparation(Step): MESSAGE = "Preparation." def RunStep(self): self.InitialEnvironmentChecks(self.default_cwd) self.CommonPrepare() class CheckAutoPushSettings(Step): MESSAGE = "Checking settings file." def RunStep(self): settings_file = os.path.realpath(self.Config("SETTINGS_LOCATION")) if os.path.exists(settings_file): settings_dict = json.loads(FileToText(settings_file)) if settings_dict.get("enable_auto_roll") is False: self.Die("Push to trunk disabled by auto-roll settings file: %s" % settings_file) class CheckTreeStatus(Step): MESSAGE = "Checking v8 tree status message." def RunStep(self): status_url = "https://v8-status.appspot.com/current?format=json" status_json = self.ReadURL(status_url, wait_plan=[5, 20, 300, 300]) self["tree_message"] = json.loads(status_json)["message"] if re.search(r"nopush|no push", self["tree_message"], flags=re.I): self.Die("Push to trunk disabled by tree state: %s" % self["tree_message"]) class FetchLKGR(Step): MESSAGE = "Fetching V8 LKGR." def RunStep(self): lkgr_url = "https://v8-status.appspot.com/lkgr" # Retry several times since app engine might have issues. self["lkgr"] = self.ReadURL(lkgr_url, wait_plan=[5, 20, 300, 300]) class CheckLastPush(Step): MESSAGE = "Checking last V8 push to trunk." def RunStep(self): last_push = self.FindLastTrunkPush() # Retrieve the bleeding edge revision of the last push from the text in # the push commit message. last_push_title = self.GitLog(n=1, format="%s", git_hash=last_push) last_push_be = PUSH_MESSAGE_RE.match(last_push_title).group(1) if not last_push_be: # pragma: no cover self.Die("Could not retrieve bleeding edge revision for trunk push %s" % last_push) # TODO(machenbach): This metric counts all revisions. It could be # improved by counting only the revisions on bleeding_edge. if int(self["lkgr"]) - int(last_push_be) < 10: # pragma: no cover # This makes sure the script doesn't push twice in a row when the cron # job retries several times. self.Die("Last push too recently: %s" % last_push_be) class PushToTrunk(Step): MESSAGE = "Pushing to trunk if specified." def RunStep(self): print "Pushing lkgr %s to trunk." % self["lkgr"] # TODO(machenbach): Update the script before calling it. if self._options.push: self._side_effect_handler.Call( push_to_trunk.PushToTrunk().Run, ["--author", self._options.author, "--reviewer", self._options.reviewer, "--revision", self["lkgr"], "--force"]) class AutoPush(ScriptsBase): def _PrepareOptions(self, parser): parser.add_argument("-p", "--push", help="Push to trunk. Dry run if unspecified.", default=False, action="store_true") def _ProcessOptions(self, options): if not options.author or not options.reviewer: # pragma: no cover print "You need to specify author and reviewer." return False options.requires_editor = False return True def _Config(self): return { "PERSISTFILE_BASENAME": "/tmp/v8-auto-push-tempfile", "SETTINGS_LOCATION": "~/.auto-roll", } def _Steps(self): return [ Preparation, CheckAutoPushSettings, CheckTreeStatus, FetchLKGR, CheckLastPush, PushToTrunk, ] if __name__ == "__main__": # pragma: no cover sys.exit(AutoPush().Run())